Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605489 | Composite part including a cutting element | Louise F. van Staden | 2017-03-28 |
| 9290997 | Downhole tools including bearings and methods of forming same | Alejandro Flores, Aaron J. Dick, Chih Lin, John F. Bradford, Louise F. van Staden +4 more | 2016-03-22 |
| 8834026 | Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearings | Alejandro Flores, Aaron J. Dick, Chih Lin, John F. Bradford, Louise F. van Staden +4 more | 2014-09-16 |
| 8469121 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker, Roy Derrick Achilles, Clement D. van der Riet | 2013-06-25 |
| 8206474 | Abrasive compacts | Roy Derrick Achilles | 2012-06-26 |
| 8172011 | Cutting element | — | 2012-05-08 |
| 8020642 | Polycrystalline diamond abrasive elements | Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker, Roy Derrick Achilles, Clement D. van der Riet | 2011-09-20 |
| 7594553 | Composite tool insert | Raymond Albert Chapman, Roy Derrick Achilles | 2009-09-29 |
| 7575805 | Polycrystalline diamond abrasive elements | Roy Derrick Achilles, Bronwyn Annette Roberts, Imraan Parker, Brett Lancaster | 2009-08-18 |
| 7074247 | Method of making a composite abrasive compact | Moosa Mahomed Adia, Roy Derrick Achilles, Paul Machael Daniel | 2006-07-11 |
| D502952 | Substrate for manufacturing cutting elements | Roy Derrick Achilles, Imraan Parker | 2005-03-15 |
| 6821188 | Diamond compact | Noel J. Pipkin, Johan Myburgh | 2004-11-23 |
| 6733378 | Abrasive body | Roy Derrick Achilles | 2004-05-11 |
| 6620375 | Diamond compact | Noel J. Pipkin, Johan Myburgh | 2003-09-16 |
| 6527633 | Abrasive body | Roy Derrick Achilles | 2003-03-04 |
| 6283844 | Tool component | — | 2001-09-04 |
| 6270548 | Sintering process for diamond and diamond growth | James W. Campbell, Moosa Mahomed Adia, Geoffrey John Davies, Raymond Albert Chapman, Aulette Stewart +1 more | 2001-08-07 |
| 6182533 | Method of making a drill blank | — | 2001-02-06 |
| 6055886 | Drill blank | Iakovos Sigalas | 2000-05-02 |
| 5722733 | Mounting of cutter picks | Arthur Mark Kilfoil | 1998-03-03 |
| 5590727 | Tool component | Kevin Ashby | 1997-01-07 |
| 5560716 | Bearing assembly | Peter N. Tomlinson, Oliver F. R. A. Damm | 1996-10-01 |
| 5505748 | Method of making an abrasive compact | Alan R. Jarvis, Aulette Stewart | 1996-04-09 |
| 5498480 | Composite diamond abrasive compact | Peter N. Tomlinson, Trevor J. Martell, Andrew I. Lloyd, Bruce Ringsby Olmstead | 1996-03-12 |
| 5484096 | Method of bonding two bodies together by brazing | — | 1996-01-16 |